Cita APA (7a ed.)

May, J., & Kline, P. (1988). Problems in using and adjective checklist to measure fatigue. [s.n.].

Cita Chicago Style (17a ed.)

May, Jon, y Paul Kline. Problems in Using and Adjective Checklist to Measure Fatigue. [S.l.]: [s.n.], 1988.

Cita MLA (9a ed.)

May, Jon, y Paul Kline. Problems in Using and Adjective Checklist to Measure Fatigue. [s.n.], 1988.